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TMDL Updates Since 11/08

TMDL Updates Since 11/08. EPA Approval: Prospect Creek (3 TMDLs) EPA Submittal: Lower Blackfoot (12 TMDLs) Public Comment Stage: Upper/N. Fk Big Hole (approx 18 TMDLs) Middle/Lower Big Hole (approx 67 TMDLs). TMDL Updates Since 11/08. New Planning Areas Initiated

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TMDL Updates Since 11/08

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  1. TMDL Updates Since 11/08 • EPA Approval: Prospect Creek (3 TMDLs) • EPA Submittal: Lower Blackfoot (12 TMDLs) • Public Comment Stage: • Upper/N. Fk Big Hole (approx 18 TMDLs) • Middle/Lower Big Hole (approx 67 TMDLs)

  2. TMDL Updates Since 11/08 • New Planning Areas Initiated • Boulder – Elkhorn (86 TMDLs) • Landusky (43 TMDLs) • Little Belt Metals (42 TMDLs)

  3. TMDL Updates Since 11/08 TMDLs Under Development: 648 • Sediment: 163 • Nutrient: 158 • Metals: 298 • Temperature: 20 • Salinity: 9

  4. Programmatic Activities • Wastewater Treatment Plant: TMDL Integration with Standards & Related Affordability Analysis • EPA Requirement: Assign Wasteload Allocations to Abandoned Mines with Point Source Characteristics (seeps, adits)

  5. Programmatic Activities • Enhanced Tracking of TMDL Workload • TMDL Project Planning Documentation • Internal DEQ Data Compilation Improvements • Abandoned Mines Files • STORET Data Compilation & GIS Linkage

  6. Programmatic Activities • Document Templates/Updates • TMDL Document Outline & Template Language • Sampling Procedures • Sample & Analysis Plans (sediment, nutrients, metals, temperature) • Work Scopes (sampling, modeling)

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